- (obsolete) insipid; dull; stupid
- 1642, John Milton, An Apology for Smectymnuus; republished in A Complete Collection of the Historical, Political, and Miscellaneous Works of John Milton, […], volume I, Amsterdam [actually London: s.n.], 1698, OCLC 926209975, page 172:
- […] will ever appeare among the judicious to be but an inſuls and frigid affectation.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for insulse in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)